<?php
/**
 * SimplifyPHP Framework
 *
 * This file is part of SimplifyPHP Framework.
 *
 * SimplifyPHP Framework is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 *
 * SimplifyPHP Framework is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 * @author Rodrigo Rutkoski Rodrigues, <rutkoski@gmail.com>
 */

if (!function_exists('json_encode')) {
  require_once(SY_PATH.'/lib/json.php');
}

/**
 * Outputs data as a JSON string.
 *
 * @author Rodrigo Rutkoski Rodrigues, <rutkoski@gmail.com>
 * @package Simplify_Kernel_View
 */
class JSONView extends View implements IView
{

  /**
   * (non-PHPdoc)
   * @see simplify/kernel/view/IView#render($object)
   */
  public function render(IRenderable $object = null)
  {
    if (empty($object)) $object = $this;

    if ($this->request->isAjax()) {
      $this->response->header('Content-type: application/json; charset="utf-8"');
    } else {
      $this->response->header('Content-Type: text/html; charset=UTF-8');
    }

    if (function_exists('json_encode')) {
      // As of PHP 5.2.0, the JSON extension is bundled and compiled into PHP by default.
      $output = json_encode($object->getAll());
    } else {
      $json = new Services_JSON();
      $output = $json->encode($object->getAll());
    }

    return $output;
  }

}

?>